Question

Let A be a digit and 3A51504 is a multiple of 9. Which can be the value of A?

Answer 1

Answer:

Athe divisibility by 9 rule is the sum of all the number is multiple of 9. if we add 3+A+5+1+5+0+4 and put A=9 we get 27 which is divisible by 9. So A= 9